Starting from first principles the physics of radiation reaction for strong laser fields interacting with electrons and positrons is revisited. With the help of a Wigner formulation of QED a derivation of a system of molecular dynamical (MD) equations of motion with a new radiation reaction term and spin is given. The new equations obtained are delay equations which promise to be void of the problems encountered with the LAD theory.
Hartmut Ruhl, "Radiation reaction reconsidered (Conference Presentation)," Proc. SPIE 10241, Research Using Extreme Light: Entering New Frontiers with Petawatt-Class Lasers III, 102411D (Presented at SPIE Optics + Optoelectronics: April 26, 2017; Published: 29 June 2017); https://doi.org/10.1117/12.2271538.5464857822001.
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